104 



M011MY1UD.E. 



9 • 



as head. 58 scales in lateral line, ^ in transverse series on body, ^ in 

 transverse series between dorsal and anal, 12 round caudal peduncle. 

 Dark olive. 



Fig. S3. 



6 ' nuthoiiemus hentleyi. 

 Type, f 



Total length 270 millim. 

 Upper Congo. 

 1. Type. Stanley Falls. 



Eev. W. H. Bentley (C). 



10. GNATHOKEMUS LIV1NGSTONII. 

 Bouleng. Proc. Zool. goc. 1898, p. 803 ; Pappenh. MittL Zool. Mus. Berl. iii. 

 1907, p. 353. 



Depth of body 3f times in total length, length of head 4| times. 

 Head nearly as long as deep, with curved upper profile; snout f length 



Me. 84. 



Gnathonemua livingstonii. 



Type. 



of head ; chin with a globular dermal appendage; teeth bicuspid, 5 in 

 upper jaw, 6 in lower; eye small, | length of snout, f interorbital width. 

 Dorsal 21-24, originating above 10th ray of anal, its length 1\ times in 

 its distance from head. Anal 28-31, equally distant from base of 

 ventral and from base of caudal. Pectoral obtusely pointed, -£ length 



